What is the Progressive Wage Model (PWM) of Singapore? a. As of 2020, the PWM covers only 10 sectors and it requires businesses to pay specific minimum wages to such workers, depending on their skill and training levels. b. Even though the PWM wages refer to 0 wages before government deductions, the government also offers Workfare Income Supplements (WIS) to such workers to offset some of such deductions. O C. The WIS focuses on helping inexperienced youth workers and the supplement amounts decrease as age increases. Od. All of the answers above are correct.